Parker River NWR, Newburyport, Massachusetts: Located as it is on a barrier island off the far northeast coast of Massachusetts, Parker River Refuge is a prime spot for birders. Its variety of coastal habitats offer habitat for such rarities as...

This is Part 1 of 4 transcripts from the Patuxent Science Symposium, 75th Anniversary of the Patuxent Science Center. It includes speakers who talk about their time at working at Patuxent and some of the work they did. This transcript includes the...

This is Part 4 of 4 transcripts from the Patuxent Science Symposium, 75th Anniversary of the Patuxent Science Center. It includes speakers who talk about their time at working at Patuxent and some of the work they did. This transcript includes the...

This is Part 3 of 4 transcripts from the Patuxent Science Symposium, 75th Anniversary of the Patuxent Science Center. It includes speakers who talk about their time at working at Patuxent and some of the work they did. This transcript includes the...

In response to increased interest in the quality of playa lakes and their recognition of valuable wildlife habitat, the Arlington Field Office of the U.S. Fish and Wildlife Service, initiated a multi-year contaminants survey of playa lakes of the...

This is a plan to prevent zebra mussels and other aquatic nuisance species from spreading westward. This document includes background on the issue, including the current and potential impacts, ecological, economic and otherwise, the spread of these...

Phil Pister retired in February 1990 following 38 years as a fishery biologist with the California Department of Fish and Game. He studied wildlife conservation and zoology under A. Starker Leopold at the University of California (Berkeley) and...

The basis for this HSI model was developed in a workshop that included the following waterfowl biologists form the Northern Prairie Wildlife Research Center, Jamestown, ND: Leo Kirsch (retired), John Lokemoen, and George Swanson. These individuals...

The habitat suitability index (HSI) model in this report on the Forster's tern is intended for use in the U.S. Fish and Wildlife Service's (1980) habitat evaluation procedures for impact assessment and habitat management. The model was developed...

This is a status assessment of the double-crested cormorant in North America as of 2001. It includes general information on the bird, biological information and area-specific population information for throughout North America.